body{
	font-size: 14px; line-height: 1.7; font-family: "宋体";
}
pre{
	/*background: #eee; display: inline-block;*/ 
	padding: 40px;
	border: #ccc dashed 1px;
}
h2{
	font-size: 16px;
}
.header{
	background: #ffd100; padding: 10px 40px; text-align: center;
}
.header span{
	position: relative; top: -20px;
}
section{
	margin: 0 auto; margin-top: 20px; width: 760px; 
}
section h2{
	font-size: 16px; font-weight: bold; margin-bottom: 20px;
}
pre{
	margin: 20px 0; font-family: "agency fb";
}

.huan{
	width: 150px; height: 150px; border:#ffd100 solid 5px; border-radius: 100px; 
	animation: spin 3s linear infinite; overflow: hidden;
}
.huan img{
	width: 100%;
	transition: all 0.5s;
}
.huan:hover img{
	transform: scale(1.2);
}
